Hex #55694e or rgb(85,105,78) in RGB space is the tint of grass green. It has hue angle of 104.44 degrees, value = 41 and saturation = 26. #55694e can be obtained by mixing 4 colors: 3 drops of red, 4 drops of blue, 4 drops of green, 1 drop of white.
Nearest safe hex - #666666. Below you can see the block with #55694e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55694e to the mixer and play with it.